# SDR CALA2019021100233

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2019
- Submitted: February 11, 2019
- Operation: Air carrier
- Aircraft: [N67134](https://openairdocs.org/aircraft/N67134), registered now
- Make and model: Boeing 757224
- Aircraft serial: 29283
- Aircraft time: 79,167 hours, 16,983 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Skin
- Part number: 146N61002005
- Condition: Cracked
- Location: L4 Door
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019021100233

## Discrepancy

L4 INNER SKIN HAS MULTIPLE CRACKS AT UPPER HINGE AREA ABOVE KNUCKLE BUSTER ASSEMBLY. FOUND CRACKS OUT OF LIMITS IAW SRM 52-10-01-A1 L=.90, L =.65, L=.70. CUT OUT DAMAGE AND ACCOMPLISHED ECRA 5210-03004 REV - PM L4 DOOR INNER SKIN UPPER HINGE AREA. THIS IS TRANSCRIBED INFORMATION ACCOMPLISHED AND RECORDED.

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